When we try to pick out anything by itself, we find it hitched to everything else in the universe.

We learned that economic growth and environmental protection can and should go hand in hand.

Our world faces a true planetary emergency. I know the phrase sounds shrill, and I know it's a challenge to the moral imagination.

We won't have a society if we destroy the environment.

Take a course in good water and air and in the eternal youth of Nature you may renew your own. Go quietly, alone no harm will befall you.

Much of the debate over global warming is predicated on fear, rather than science.

Harmony with land is like harmony with a friend you cannot cherish his right hand and chop off his left.

Birds are indicators of the environment. If they are in trouble, we know we'll soon be in trouble.

When we realize we can make a buck cleaning up the environment, it will be done!

If we do not permit the earth to produce beauty and joy, it will in the end not produce food, either.